Industrial Engineer (traveling position) JobotIndustrial Engineer (traveling position)Birmingham, AL$115,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our mission is to make things that strengthen our clients, enhance our communities and advance our professions, and our goal is to (build the machine to) make buildings twice as good, twice as fast, and with twice the value of those made by anyone anywhere – 2x2x2 +fun.
Plant Engineering and Operations Talent - Building Envelope Manufacturing Amrize LtdPlant Engineering and Operations Talent - Building Envelope ManufacturingALRemoteJob Title: Plant Engineering and Operations Talent - Building Envelope Manufacturing | Req ID: 15092 | HR Contact: Taylor J VALLEY | Location: Remote Worker - South Carolina, Building Envelope - Corp Nashville, TN, Remote Worker - Alabama, Remote Worker - Arkansas, Remote Worker - Indiana, Remote Worker - Michigan, Remote Worker - North Carolina, Remote Worker - Utah. With a growing network of North American manufacturing sites, we're always looking to connect with skilled engineering and operations professionals who share our commitment to continuous improvement, reliability, and operational excellence.
Manufacturing Technology Leader Amrize LtdManufacturing Technology LeaderALRemoteABOUT THE ROLE: The Isocyanurate Technology Leader will develop and improve the polyisocyanurate insulation board manufacturing process in the ISO facilities within Amrize. Employees that are required to wear respirators must be clean shaven where the respirator seal meets the face in order to pass the qualitative and quantitative fit test.
Manufacturing Container Support- Plastic Cutter Buffalo Rock CoManufacturing Container Support- Plastic CutterBirmingham, ALResponsible for continuous self-improvement through the knowledge and use of all Buffalo Rock provided training, either web-based, in-house, or any other provided method. Working conditions will be inside and outside where temperatures will vary from extreme heat to extreme cold, working in rain or snow, all for extended periods.
SAP Manufacturing Senior Manager PricewaterhouseCoopers LLPSAP Manufacturing Senior ManagerBirmingham, AL$124,000–$280,000 / yearAs a SAP Manufacturing Senior Manager, you will specialize in providing consulting services for SAP supply chain and operations applications, enabling clients to optimize their supply chain processes and improve operational efficiency. Preference for a Master''s or Masters of Business Administration degree in at least one of the following fields of study:Business Administration/Management, Computer Science/Information Systems, Engineering, Operations/Supply Chain, Science.
Sr. Construction Project Manager- Manufacturing Market Gray ConstructionSr. Construction Project Manager- Manufacturing MarketBirmingham, AlabamaSince 1960, Gray has grown from a regional contractor to a nationally ranked industry leader, serving top domestic and international companies in the following markets: Manufacturing , Food & Beverage , Data Centers , Advanced Technology , and Distribution . Qualifications: The new team member is required to have ten to fifteen years of experience in construction management, with a minimum of seven to ten years’ experience managing large industrial construction projects.
Construction Project Manager- Manufacturing Market Gray ConstructionConstruction Project Manager- Manufacturing MarketBirmingham, AlabamaSince 1960, Gray has grown from a regional contractor to a nationally ranked industry leader, serving top domestic and international companies in the following markets: Manufacturing, Food & Beverage, Data Centers, Advanced Technology, and Distribution. Qualifications: The new team member is required to have ten to fifteen years of experience in construction management, with a minimum of seven to ten years’ experience managing large industrial construction projects.
Manufacturing Equip Maint Technician Sanmina CorpManufacturing Equip Maint TechnicianALFrom avionics to tactical and airborne communications, counter-UAS, integrated manufacturing and cradle-to-grave product life cycle support, we deliver high-reliability solutions that keep service members connected and protected in the field. At SCI Technology, a Sanmina Company, we serve those who serve by delivering innovative, trusted and comprehensive products and services that meet and exceed the unique needs of the Defense and Aerospace sector.
NewManufacturing Engineer - Casting Dormont Manufacturing CompanyManufacturing Engineer - CastingBirmingham, ALKnowledge, Education and TrainingEducation: High School Diploma or GED required; Bachelor's Degree in Engineering preferred, or equivalent. Job ResponsibilitiesDevelop process documentation that ensures robust manufacture of high‑pressure die cast structural component finishing operations.
Manufacturing Maintenance Manager Ventura Foods LLCManufacturing Maintenance ManagerBirmingham, ALResponsible for following all food safety policies, procedures and regulatory criteria including the current SQF code, Good Manufacturing Practices (GMPs), and the Food Safety Modernization Act (FSMA) and associated preventive controls Other duties as assigned Travel may be required Education and Experience: Bachelor's Degree in Mechanical Engineering, Industrial Management or equivalent experience 5-10 years of experience in Mechanical Engineering, Industrial Management Supervisory and/or managerial experience in a food processing environment preferred Knowledge and Skills: Basic knowledge of power transmission, hydraulics, pneumatics, refrigeration, ammonia and HVAC Knowledgeable in electrical systems and have experience in developing and implementing SOPs Knowledge of plant operations, team building and supervisor development Effective written and verbal communication skills with ability to resolve problems Proficient computer skills with Microsoft Word, Excel and Access and an ability to learn other computer-based tools such as CMMS systems Knowledge of food processing equipment is preferred Why Join Us: Ventura Foods innovates and manufactures food solutions for foodservice and retail businesses. Major Duties and Responsibilities: Prepares annual maintenance budget using analysis reports from Enterprise Asset Management (EAM) system, capital project plans and input from plant engineer and plant manager with regards to future projects and growth Manage daily activities of the maintenance employees, provides development support and training as needed.
Manufacturing Engineer Royal Switchgear ManufacturingManufacturing EngineerBessemer, ALFull timeThe Manufacturing Engineer's primary responsibilities will be to focus on continuous improvement for manufacturing operations by analyzing, developing, and implementing cost-effective manufacturing solutions to support KPI's. This position will be involved with and leading the implementation of 5S, conducting kaizen events, product quality improvements, root cause analysis, and cost reduction initiatives.
NewSenior Manufacturing Engineer CNC & Process Improvement Dormont Manufacturing CompanySenior Manufacturing Engineer CNC & Process ImprovementBirmingham, ALThe ideal candidate has a Bachelor's degree in Engineering, a minimum of three years of related experience, and is proficient in robotic systems and CAD. Responsibilities include ensuring safety compliance, monitoring production performance, and leading improvement initiatives to enhance efficiency and quality.
Senior Manager, Oracle SCM (Order Management, Manufacturing, Costing) PricewaterhouseCoopers LLPSenior Manager, Oracle SCM (Order Management, Manufacturing, Costing)AL$124,000–$280,000 / yearExamples of the skills, knowledge, and experiences you need to lead and deliver value at this level include but are not limited to: Craft and convey clear, impactful and engaging messages that tell a holistic story. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .
NewSenior Manufacturing PM Complex Facilities GRAYSenior Manufacturing PM Complex FacilitiesBirmingham, ALThe ideal candidate will have 10-15 years of experience in construction management, specifically in large industrial projects. Gray, Inc. is seeking a Senior Construction Project Manager for their Birmingham, AL office.
Manufacturing Engineer - Materials/Metallurgical American Cast Iron Pipe CoManufacturing Engineer - Materials/MetallurgicalBirmingham, ALFounded in Birmingham Alabama in 1905 AMERICAN is a manufacturer of fire hydrants valves ductile iron and spiral-welded steel pipe for the waterworks industry and high-frequency-welded steel pipe for the oil and natural gas industries. For more than a century AMERICAN has been committed to doing things The Right Way by applying the Golden Rule in life and in business always exceeding customer expectations by empowering and supporting our team members and by being a good neighbor in our communities.
Manufacturing Engineer - Mechanical/Metallurgical American Cast Iron Pipe CoManufacturing Engineer - Mechanical/MetallurgicalBirmingham, ALFounded in Birmingham, Alabama in 1905, AMERICAN is a manufacturer of fire hydrants, valves, ductile iron and spiral-welded steel pipe for the waterworks industry, and high-frequency-welded steel pipe for the oil and natural gas industries. For more than a century, AMERICAN has been committed to doing things "The Right Way" by applying the Golden Rule in life and in business, always exceeding customer expectations by empowering and supporting our team members, and by being a good neighbor in our communities.
Manufacturing Technician I Rampart IC LLCManufacturing Technician IBirmingham, ALBody Movements: Full range of body movements including the use of hands and fingers, to handle or feel objects, including computer equipment and peripherals, and bending, reaching, lifting, and crouching. Health and Safety: Strict adherence to health and safety guidelines is required to prevent accidents and ensure a safe working environment for all employees.
Manufacturing Engineer - Leeds, AL Hubbell IncManufacturing Engineer - Leeds, ALALOur Switching & Fusing business unit is looking for hands-on shop floor-based Manufacturing Engineer, who will oversee and troubleshoot daily manufacturing processes while pursuing continuous improvement in areas such as scrap reduction and productivity increases while minimizing cost. Responsibilities include machine selection, cell layout, financial justification, working with quality and product engineering to create and update control plans and engineering requirements, overall timeline management, installation of equipment and production startup.
Manufacturing Engineer - Casting Magna International, IncManufacturing Engineer - CastingBirmingham, Alabama2. Ensure effective timeline management skills are used to ensure timely delivery which meets program milestones and monitor with regular reviews of timelines with process engineers. Through our robust product engineering, outstanding tooling capabilities and diverse process expertise, we continue to bring lightweight and innovative products to market.
Manufacturing Technician Team Lead - Vulcan - 5am - 2pm BioHorizons IncManufacturing Technician Team Lead - Vulcan - 5am - 2pmHoover, ALMaintain CAM software infrastructure to support current production and identify/implement innovative solutions as needed to increase quality, profitability, or sustain product development. Responsible for training production team on proper usage of equipment and software including, but not limited to: CAM, CNC Controls and software, as well as manual finishing processes.
NewManufacturing Engineer - Plant 27 Altec Industries, Inc.Manufacturing Engineer - Plant 27Birmingham, ALAltec specializes in the design, manufacture, sale, and service of aerial devices, digger derricks, cranes, telecom, and specialty equipment, supporting customers in over 100 countries throughout the world. Creedmoor offers a special blend of urban and rural lifestyles and is only about 15 miles from North Carolina's "Triangle Area" of Raleigh, Durham, and Chapel Hill as well as the prominent high-tech Research Triangle Park.
Manufacturing Engineer Genuine Parts CoManufacturing EngineerBirmingham, ALLet us know you're interested in a future opportunity by joining our Talent Community on jobs.genpt.com or create an account to set up email alerts as new job postings become available that meet your interest! Typically requires a Bachelor's degree in an Engineering discipline (preferably Mechanical Engineering or Manufacturing Engineering) and at least three (3) to five (5) years of applicable design experience.
Manufacturing Sr Engineer I Zimmer Biomet Holdings IncManufacturing Sr Engineer IBirmingham, ALTo support our talent team, we focus on development opportunities, robust employee resource groups (ERGs), a flexible working environment, location specific competitive total rewards, wellness incentives and a culture of recognition and performance awards. Supporting a wide variety of processing applications such as machining, finishing, forging, casting, cleaning, heat treating, bonding, molding, etc.
NewManufacturing Operations Technician (Entry Level) Evonik Espana Y Portugal Sa.Manufacturing Operations Technician (Entry Level)Birmingham, ALEvonik España Y Portugal SA. is looking for a candidate in Birmingham, AL, to operate various machines and perform tasks under supervision. Responsibilities include maintaining and repairing equipment and supporting the quality function.
Manufacturing Engineer Altec Industries, Inc.Manufacturing EngineerBirmingham, ALAltec specializes in the manufacture, sale and service of aerial devices, digger derricks, cranes and specialty equipment for the electric utility, telecommunications, tree care, construction, and light and signs markets. Communication with Others: Requires outside and inside contacts to carry out company policy and programs; Improper handling will have considerable effect on operational results; Must often deal with matters requiring explanation, persuasion and obtaining of approvals.
NewSr. Manufacturing Engineer Dormont Manufacturing CompanySr. Manufacturing EngineerBirmingham, ALPresentation skills appropriate for both customer and supplier interfaceDevelop personal goals in WorkDay, to be approved by your Manager, and update your progress throughout the year.20.Perform other duties as requiredPosition Requirements:Skill (Ability to do the job):Ability to work in a team environmentMust have excellent interpersonal, organizational, and communication skills (both verbal and written)Ability to manage an open issues list effectively coming to resolution of all issuesAbility to offer innovative solutions to manufacturing issues related to product development or enhancementAbility to prioritize and meet deadlinesAbility to stay abreast of new advancements in technology as they apply to assembly operationsMust be willing to work extended or flexible hours as needed to meet customer requirementsPhysical DemandsSome of the physical demands for this position include being able to lift up to a weight of 40 pounds and the ability to stand, sit, and walk for prolonged periods of time. Minimum of three yearsAdditional skills or abilities that would be helpful for the job:Good interpersonal skillsStrong organizational and Leadership skillsAbility to trouble shoot and find root cause effectivelyDetail orientedExcellent time management skillsAwareness, Unity, Empowerment:At Magna, we believe that a diverse workforce is critical to our success.
Assistant Project Manager Manufacturing Market Gray IncAssistant Project Manager Manufacturing MarketBirmingham, ALSince 1960, Gray has grown from a regional contractor to a nationally ranked industry leader, serving top domestic and international companies in the following markets: Manufacturing, Food & Beverage, Data Centers, Advanced Technology, and Distribution. Our success is driven by passionate, collaborative team members who take pride in their work, value strong relationships, and are committed to doing the right thing for our customers and one another.
Sr. Construction Project Manager Manufacturing Market Gray IncSr. Construction Project Manager Manufacturing MarketBirmingham, ALSince 1960, Gray has grown from a regional contractor to a nationally ranked industry leader, serving top domestic and international companies in the following markets: Manufacturing, Food & Beverage, Data Centers, Advanced Technology, and Distribution. The new team member is required to have ten to fifteen years of experience in construction management, with a minimum of seven to ten years' experience managing large industrial construction projects.
Manufacturing Specialist EvonikManufacturing SpecialistBirmingham, AlabamaShort term growth of staff working in assigned area and unit operations: assure technical knowledge, proficiency, and compliance is embedded as part of training, training material, GMP documentation, job aids, and others as needed. Key responsibilities include driving operational readiness, managing SOPs, ensuring equipment reliability, supporting customer service, contributing to CAPEX strategy, and troubleshooting.
Senior Manufacturing Engineer (Connectors) - Leeds, AL Hubbell IncSenior Manufacturing Engineer (Connectors) - Leeds, ALALProvide technical leadership and day-to-day oversight of manufacturing processes on the shop floor, including CNC and manual machining, fabrication equipment, presses, robots, core machines, furnaces, and molding machines. Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications.
Sr. Manufacturing Engineer Magna International, IncSr. Manufacturing EngineerBirmingham, AlabamaDocumentation includes work instructions, problem solving techniques, continuous improvement, lessons learned, and other topics as necessary to build world class organization. Troubleshoot machining issues such as chatter, dimensional variation, tool wear, and surface finish problems using structured problem‑solving methods.
CAM Programmer/Manufacturing Engineer Swift Placement & ConsultingCAM Programmer/Manufacturing EngineerBirmingham, ALEquivalent high-end multi-axis CAM experience will be considered, including Mastercam, hyperMILL, Esprit / Esprit EDGE, SolidCAM, Edgecam, Tebis, PowerMill, GibbsCAM, SprutCAM, WorkNC, CATIA NC / Delmia, Cimatron, or Fusion 360. The CAM Programmer / Manufacturing Engineer develops, optimizes, and sustains manufacturing processes for complex precision-machined components across defense, aerospace, medical device, and advanced industrial customers.
Director of Manufacturing & Operations Rampart IC LLCDirector of Manufacturing & OperationsBirmingham, ALJOB OVERVIEW: The Director, Manufacturing & Operations is responsible for managing the day-to-day operations of the Rampart Operations Center, including manufacturing coordination, outsourced vendor coordination, procurement support, inventory management, order fulfillment, logistics, service operations, facility readiness, and operational process execution. This role ensures that operational systems, people, vendors, facilities, and processes are aligned to support customer demand, product quality, service delivery, cost control, safety, and company growth - all in a safe and supportive environment for Rampart Team Members.
Deskside Support Technician (Level 2) – Automotive Manufacturing FocusDeskside Support Technician (Level 2) – Automotive ManufacturingVance, ALContractorThis is not a typical office support role-you'll be directly supporting systems and users that keep production running on the plant floor. If you enjoy troubleshooting in fast-paced environments and want exposure to enterprise-level infrastructure, this is a great opportunity to grow your IT career.
NewManufacturing Process Engineer TALNT LLCManufacturing Process EngineerBirmingham, ALThis position supports manufacturing operations, quality assurance, production planning, and technical sales by ensuring efficient, cost effective, and ISO 9001 compliant processes. The Manufacturing Process Engineer plays a critical role in optimizing production processes, improving product quality, and driving continuous improvement initiatives within a manufacturing environment.
NewSenior Maintenance & Manufacturing Engineering Lead Different Technologies PtySenior Maintenance & Manufacturing Engineering LeadBirmingham, ALDifferent Technologies Pty Ltd. is seeking a Senior Maintenance and Current Engineering Manager for our Birmingham, Alabama location. The ideal candidate holds a degree in Engineering and has significant experience in leadership roles within manufacturing.
Assistant Project Manager - Manufacturing Market Gray ConstructionAssistant Project Manager - Manufacturing MarketBirmingham, AlabamaSince 1960, Gray has grown from a regional contractor to a nationally ranked industry leader, serving top domestic and international companies in the following markets: Manufacturing , Food & Beverage , Data Centers , Advanced Technology , and Distribution . Our success is driven by passionate, collaborative team members who take pride in their work, value strong relationships, and are committed to doing the right thing for our customers and one another.
NewMPI Calera - Manufacturing Process Engineer McWane IncMPI Calera - Manufacturing Process EngineerALMost importantly, we will build strong relationships with design engineers, contractors, plant operations teams and project owners to assure we are their first-choice supplier for both new construction and future upgrades. Experience machining large valve bodies (butterfly, rotating disk, EPV or similar); experience with large turning equipment (VTL, G&L, Mega Turn or equivalent).
Senior Manufacturing Engineer (Welding & Automation) - Leeds, AL Hubbell IncSenior Manufacturing Engineer (Welding & Automation) - Leeds, ALALThis is a hands-on, shop-floor-focused role requiring deep technical expertise in automated welding and material removal processes, combined with the flexibility and capability to contribute to other manufacturing processes and continuous improvement initiatives, including manual, semi‑automated, and non-robotic operations as required. Broader Manufacturing Engineering Responsibilities: Support and lead manufacturing process improvements outside of welding and automation, including manual assembly, fabrication, material handling, and other production operations as business needs dictate.
Quality Assurance Technician / Inspector – Aviation & Manufacturing Yulista SolutionsQuality Assurance Technician / Inspector – Aviation & ManufacturingBirmingham, AlabamaWe are looking for a detail-oriented and motivated Quality Assurance Technician / Inspector to join our team supporting aviation manufacturing and supply chain operations. It is Calista and Subsidiaries' business philosophy and practice to provide reasonable accommodations, according to applicable state and federal laws, to all qualified individuals with physical or mental disabilities.
Manufacturing Manager/Production (Management Consultant) DeWolff, Boberg and Associates IncManufacturing Manager/Production (Management Consultant)Birmingham, ALThis position focuses on hands-on execution, working directly with frontline teams and leadership to improve performance, accountability, and organizational effectiveness. DB&A delivers value through practical implementation and sustainable operational improvements by: Executing client goals, objectives, and operational processes through hands-on frontline coaching and engagement.
Electrical Manufacturing Engineer QED NationalElectrical Manufacturing EngineerBirmingham, AL$75,000–$125,000 / yearHave working knowledge of word processing, spreadsheet and database software such as Word, Excel, Access, etc. and computer skills including computer aided design (CAD). Seneca Resources is a leading IT services provider with offices in Virginia, Alabama, Georgia, Florida and Texas that service clients throughout the United States.
NewQuality Team Lead - Automotive Manufacturing Dormont Manufacturing CompanyQuality Team Lead - Automotive ManufacturingBirmingham, ALIn this role, you will coordinate the daily quality activities of the team and ensure that a safe and clean working environment is maintained. Dormont Manufacturing Co is seeking a dedicated quality coordinator in Birmingham, Alabama.
Vice President, Manufacturing & Industrial Services / HPM Hoar Construction LLCVice President, Manufacturing & Industrial Services / HPMBirmingham, ALPhysical: Primary functions require sufficient physical ability and mobility to work in an office setting; to stand or sit for prolonged periods of time; to occasionally stoop, bend, kneel, crouch, reach, and twist; to lift, carry, push, and/or pull light to moderate amounts of weight; to operate equipment requiring repetitive hand movement and fine coordination; to travel to other locations using various modes of private and commercial transportation; and to verbally communicate to exchange information. The Vice President, Manufacturing & Industrial Services is responsible for all projects/programs in the region/market sector including overall operations, business development, and marketing support for multiple programs and groups.
Torque Planner Mercedes-Benz Group AGTorque PlannerVance, ALPreferred SkillsTechnical Systems & Tools- Working knowledge of Mercedes-Benz manufacturing and engineering systems including PLUS Produktionsleit- und Steuerungssystem Manufacturing Reporting System MRS Central Process Archive CEPRA ToolsNet QS-Torque DIALOG IPM TorqueNet and torque controller programming software.- Working cross-functionally with product engineering manufacturing quality suppliers and commissioning teams the Torque Tool Planner ensures robust fastening processes high product quality and the reliable industrialization of assembly operations.
Supply Chain Distribution Planner & Analyst - Leeds, AL or Aiken, SC or St. Louis or Centralia, MO Hubbell IncSupply Chain Distribution Planner & Analyst - Leeds, AL or Aiken, SC or St. Louis or Centralia, MOALThe Supply Chain Distribution Planner & Analyst orchestrates all intercompany material flows (finished goods and components), aligns intercompany purchase orders across plants, and balances inflow to the distribution center to protect customer service and inventory health. Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications.
Production Planner, Birmingham AL Terex CorpProduction Planner, Birmingham ALBirmingham, AL$22.07–$26.97 / hourWe design and manufacture advanced specialty vehicles-including fire, ambulance, and recreational vehicles-alongside waste collection vehicles, materials processing machinery, mobile elevating work platforms, and equipment for the electric utility industry. Through our global dealer, parts and service network and true value-creating digital solutions, we deliver best-in-class lifecycle support, helping customers maximize return on investment.
Assembly Equipment and Facility Layout Planner (DLE) Swj TechnologyAssembly Equipment and Facility Layout Planner (DLE)Vance, AlabamaPHYSICAL REQUIREMENTS: Work is normally performed in an office, laboratory, manufacturing floor, or machine shop setting where physical work includes, but is not limited to sitting, standing, reaching, kneeling, bending, and lifting up to 25 lbs. RESPONSIBILITIES: Plan overall assembly layouts in collaboration with cross-functional teams (Assembly, Logistics, Conveyor, and Civil Engineering) using Bentley MicroStation V8i.
Materials Planner Magna International, IncMaterials PlannerBirmingham, AlabamaThrough our robust product engineering, outstanding tooling capabilities and diverse process expertise, we continue to bring lightweight and innovative products to market. Support continuous improvement initiatives to improve schedule adherence, inventory turns, and material flow efficiency.
Railroad Safety Inspector (Hazardous Materials) - BIL DIRECT HIRE-SME U.S. Department of TransportationRailroad Safety Inspector (Hazardous Materials) - BIL DIRECT HIRE-SMEBirmingham, AL$89,508–$145,468 / yearThe Federal Railroad Administration (FRA) promulgates and enforces rail safety regulations; consolidates government support of rail transportation activities; administers financial assistance programs; conducts research and development in support of improved railroad safety and efficiency, and national transportation policy, including improved intercity passenger service. Conducts investigations of collisions, reportable derailment, and unintentional releases of hazardous materials, or other accidents/incidents resulting in serious injury to person(s) or to the property of a railroad occurring on the line of any common carrier engaged in interstate transportation.